FR2492204B1 - METHOD AND DEVICE FOR TRANSMITTING AND RECORDING DATA WITH REDUCED DATA RATE - Google Patents

METHOD AND DEVICE FOR TRANSMITTING AND RECORDING DATA WITH REDUCED DATA RATE

Info

Publication number
FR2492204B1
FR2492204B1 FR8119347A FR8119347A FR2492204B1 FR 2492204 B1 FR2492204 B1 FR 2492204B1 FR 8119347 A FR8119347 A FR 8119347A FR 8119347 A FR8119347 A FR 8119347A FR 2492204 B1 FR2492204 B1 FR 2492204B1
Authority
FR
France
Prior art keywords
transmitting
data rate
recording data
reduced
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8119347A
Other languages
French (fr)
Other versions
FR2492204A1 (en
Inventor
Robert Adams Dischert
Eugene Michael Nagle
James Jehu Williams Jr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2492204A1 publication Critical patent/FR2492204A1/en
Application granted granted Critical
Publication of FR2492204B1 publication Critical patent/FR2492204B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H04N11/042—Codec means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Color Television Systems (AREA)
  • Studio Circuits (AREA)
FR8119347A 1980-10-15 1981-10-14 METHOD AND DEVICE FOR TRANSMITTING AND RECORDING DATA WITH REDUCED DATA RATE Expired FR2492204B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/197,290 US4320416A (en) 1980-10-15 1980-10-15 Technique for optimally encoding digitally encoded video signals

Publications (2)

Publication Number Publication Date
FR2492204A1 FR2492204A1 (en) 1982-04-16
FR2492204B1 true FR2492204B1 (en) 1986-06-27

Family

ID=22728792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8119347A Expired FR2492204B1 (en) 1980-10-15 1981-10-14 METHOD AND DEVICE FOR TRANSMITTING AND RECORDING DATA WITH REDUCED DATA RATE

Country Status (6)

Country Link
US (1) US4320416A (en)
JP (1) JPS5797283A (en)
CA (1) CA1168356A (en)
DE (1) DE3140825A1 (en)
FR (1) FR2492204B1 (en)
GB (1) GB2085697B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425588A (en) 1981-01-30 1984-01-10 Baldwin John L E Processing of digital signals
US4352122A (en) * 1981-03-02 1982-09-28 Rca Corporation Adaptive composite-component transcoding hierarchy for digital video
JPS59201594A (en) * 1983-04-22 1984-11-15 Victor Co Of Japan Ltd Digital video signal reproducing device
US4605963A (en) * 1983-08-15 1986-08-12 Rca Corporation Reduction of control bits for adaptive sub-nyquist encoder
CA1270322A (en) * 1983-12-22 1990-06-12 Kotaro Asai Adaptive comb filter
JPS63215185A (en) * 1987-03-03 1988-09-07 Matsushita Electric Ind Co Ltd Sub-nyquist coding device and decoding device
US5021880A (en) * 1990-06-13 1991-06-04 Northern Telecom Limited Digital video signal compression
DE4036546C1 (en) * 1990-11-16 1992-03-26 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De Data reduction for information signal transmission - stores signal patterns in transmitter and receiver, transmits address of pattern resembling information signal and reads pattern in receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462547A (en) * 1966-09-06 1969-08-19 Stanford Research Inst Data processing system for signals obtained from a video scanner
FR2320017A1 (en) * 1975-07-29 1977-02-25 Telecommunications Sa Reduction of information for image coding - uses transmission of every other point with correlation bit describing untransmitted point
GB1597484A (en) * 1977-03-21 1981-09-09 Rca Corp Television picture compressor
US4227204A (en) * 1978-09-21 1980-10-07 Cbs Inc. Method and apparatus for PCM-encoding NTSC color television at sub-Nyquist rate
CA1171958A (en) * 1980-02-07 1984-07-31 Robert A. Dischert Data rate reduction for digital video signals by subsampling and adaptive reconstruction
FR2489061A1 (en) * 1980-08-20 1982-02-26 France Etat Image digital transmission circuit - samples image and transmits selected samples with restoration of omitted samples in receiver

Also Published As

Publication number Publication date
DE3140825A1 (en) 1982-06-24
US4320416A (en) 1982-03-16
GB2085697A (en) 1982-04-28
JPS5797283A (en) 1982-06-16
JPH0350477B2 (en) 1991-08-01
CA1168356A (en) 1984-05-29
FR2492204A1 (en) 1982-04-16
DE3140825C2 (en) 1988-01-07
GB2085697B (en) 1985-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse